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Innospec Inc.

IOSP
Exchange
Nasdaq
Industry
Chemicals & Allied Products
SEC CIK
0001054905

No open-market purchases or sales by Innospec Inc. insiders were filed in the last 90 days; 281 institutions reported holding it in 13F filings for Q2 2026, worth $2.00B in total; no superinvestor holds it.

13F holders, Q4 2023

Institutional positions in Innospec Inc. as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
223
+13 vs. Q3 2023
Shares held
24.0M
+144.8K (+0.6%) vs. Q3 2023
Total value
$2.96B
+$519.0M (+21.3%) vs. Q3 2023
New holders
29
71 more added
Sold out
16
94 more reduced

2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IOSP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2023: 223 institutions
Q1 2021: 180 institutionsQ2 2021: 180 institutionsQ3 2021: 188 institutionsQ4 2021: 184 institutionsQ1 2022: 188 institutionsQ2 2022: 199 institutionsQ3 2022: 193 institutionsQ4 2022: 223 institutionsQ1 2023: 219 institutionsQ2 2023: 205 institutionsQ3 2023: 212 institutionsQ4 2023: 223 institutionsQ1 2024: 239 institutionsQ2 2024: 266 institutionsQ3 2024: 261 institutionsQ4 2024: 262 institutionsQ1 2025: 272 institutionsQ2 2025: 262 institutionsQ3 2025: 266 institutionsQ4 2025: 261 institutionsQ1 2026: 266 institutionsQ2 2026: 281 institutions
Value heldQ4 2023: $2.96B
Q1 2021: $2.42BQ2 2021: $2.12BQ3 2021: $1.97BQ4 2021: $2.14BQ1 2022: $2.20BQ2 2022: $2.29BQ3 2022: $2.03BQ4 2022: $2.44BQ1 2023: $2.45BQ2 2023: $2.39BQ3 2023: $2.44BQ4 2023: $2.96BQ1 2024: $3.10BQ2 2024: $2.96BQ3 2024: $2.73BQ4 2024: $2.66BQ1 2025: $2.29BQ2 2025: $2.03BQ3 2025: $1.85BQ4 2025: $1.86BQ1 2026: $1.82BQ2 2026: $2.00B
Institutions holding IOSP and their total value by quarter
QuarterHoldersValue
Q2 2026281$2.00B
Q1 2026266$1.82B
Q4 2025261$1.86B
Q3 2025266$1.85B
Q2 2025262$2.03B
Q1 2025272$2.29B
Q4 2024262$2.66B
Q3 2024261$2.73B
Q2 2024266$2.96B
Q1 2024239$3.10B
Q4 2023223$2.96B
Q3 2023212$2.44B
Q2 2023205$2.39B
Q1 2023219$2.45B
Q4 2022223$2.44B
Q3 2022193$2.03B
Q2 2022199$2.29B
Q1 2022188$2.20B
Q4 2021184$2.14B
Q3 2021188$1.97B
Q2 2021180$2.12B
Q1 2021180$2.42B

Institutions, Q4 2023

Shares, value and share of portfolio for each institution holding Innospec Inc.; share changes are against Q3 2023.

Institutions holding IOSP in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Voya Investment Management LLC155,795$19.2M0.02%+34,555+28.5%Added
Bank of America Corp183,684$22.6M0.00%+949+0.5%Added
Eagle Asset Management Inc198,344$24.4M0.13%+8,644+4.6%Added
Norges Bank210,359$25.9M0.00%+28,048+15.4%Added
Morgan Stanley219,406$27.0M0.00%+18,305+9.1%Added
Goldman Sachs Group Inc248,344$30.6M0.01%−35,587−12.5%Reduced
Bank of New York Mellon Corp263,055$32.4M0.01%−397−0.2%Reduced
Westwood Holdings Group Inc.272,000$33.5M0.28%−40,767−13.0%Reduced
Invesco Ltd.287,050$35.4M0.01%+143,941+100.6%Added
Charles Schwab Investment Management Inc307,490$37.9M0.01%+8,855+3.0%Added
Northern Trust Corp401,422$49.5M0.01%+710.0%Added
Nuveen Asset Management, LLC464,532$57.2M0.02%+10,572+2.3%Added
Janus Henderson Group PLC581,053$71.6M0.04%+916+0.2%Added
Geode Capital Management, LLC591,737$72.9M0.01%+26,148+4.6%Added
Champlain Investment Partners, LLC779,565$96.1M0.57%−43,465−5.3%Reduced
Royce & Associates LP824,125$101.6M0.94%−23,525−2.8%Reduced
State Street Corp959,907$118.3M0.01%+51,345+5.7%Added
Victory Capital Management Inc1,023,632$126.2M0.13%−114,789−10.1%Reduced
Dimensional Fund Advisors LP1,215,525$149.8M0.04%−6,550−0.5%Reduced
Wasatch Advisors Inc1,950,016$240.3M1.32%−25,154−1.3%Reduced
Allspring Global Investments Holdings, LLC2,337,644$288.1M0.48%−62,684−2.6%Reduced
Vanguard Group Inc2,953,918$364.0M0.01%+12,562+0.4%Added
BlackRock Inc.3,974,345$489.8M0.01%+138,199+3.6%Added
Quadrature Capital Ltd0$00.00%−14,553−100.0%Sold out
HRT Financial LP0$00.00%−9,028−100.0%Sold out
Trexquant Investment LP0$00.00%−6,439−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−6,206−100.0%Sold out
Nebula Research & Development LLC0$00.00%−5,663−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−4,083−100.0%Sold out
XTX Topco Ltd0$00.00%−3,616−100.0%Sold out
Point72 Middle East FZE0$00.00%−3,208−100.0%Sold out
AlphaMark Advisors, LLC0$00.00%−2,517−100.0%Sold out
Oak Thistle LLC0$00.00%−2,237−100.0%Sold out
HSBC Holdings PLC0$00.00%−2,046−100.0%Sold out
Citadel Advisors LLC0$00.00%−2,005−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−907−100.0%Sold out
Farther Finance Advisors, LLC0$00.00%−35−100.0%Sold out
Barrow Hanley Mewhinney & Strauss LLC0$00.00%−20−100.0%Sold out
Baker Avenue Asset Management, LP0$00.00%−5−100.0%Sold out
Advisor Partners II, LLC––––Not filed
Steward Financial Group LLC––––Not filed